AVTR

SEC source: 0001209191-20-058160 · doc4a.xml · nonDerivative · entry 7

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

VWR Partners, L.P. · CIK 0001708241 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

StoneBridge 2018, L.P. · CIK 0001729502 · 10% owner

StoneBridge 2018 Offshore, L.P. · CIK 0001729503 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,881,469

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F3 · security: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs, Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore"), VWR Partners, L.P. ("VWR"), StoneBridge 2018, L.P. ("StoneBridge 2018"), StoneBridge 2018 Offshore, L.P. ("StoneBridge 2018 Offshore" and, together with StoneBridge 2017, StoneBridge 2017 Offshore, VWR and StoneBridge 2018, the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C. ("Bridge Street"). GS Group, Goldman Sachs, BSPI, the GS Funds and Bridge Street are defined collectively as the "Reporting Persons".

F4 · balance_after: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F4 · ownership.nature: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F6 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F7 · ownership.nature: The Reporting Persons are currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058162 · doc4a.xml · derivative · entry 32

Natauri Jo · CIK 0001776123 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 96

Underlying: Common Stock · 1,914.885 shares

Expires not disclosed

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc. (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F5 · derivative.exercise_date: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F5 · derivative.expiration_date: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F5 · derivative.underlying_shares: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F3 · balance_after: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: The Reporting Person is currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058162 · doc4a.xml · derivative · entry 31

Natauri Jo · CIK 0001776123 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 726

Underlying: Common Stock · 1,914.885 shares

Expires not disclosed

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc. (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F5 · derivative.exercise_date: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F5 · derivative.expiration_date: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F5 · derivative.underlying_shares: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F3 · balance_after: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: The Reporting Person is currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058162 · doc4a.xml · nonDerivative · entry 6

Natauri Jo · CIK 0001776123 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,881,461

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc. (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F3 · balance_after: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: The Reporting Person is currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058162 · doc4a.xml · nonDerivative · entry 5

Natauri Jo · CIK 0001776123 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,874,663

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc. (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F3 · balance_after: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: The Reporting Person is currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0000899243-21-018643 · doc4.xml · derivative · entry 32

Connolly Thomas · CIK 0001776597 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 96

Underlying: Common Stock · 1,914.885 shares

Expires not disclosed

F1 · security: These transactions in the common stock (the "Common Stock") of Avantor, Inc. (the "Issuer") have not previously been reported by the Reporting Person on Form 4.

F2 · security: These transactions were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business. Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) has been remitted to the Issuer.

F3 · security: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). Effective May 7, 2020, the Reporting Person ceased to be a member of the Issuer's board of directors.

F6 · derivative.exercise_date: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F6 · derivative.expiration_date: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F6 · derivative.underlying_shares: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F4 · ownership.nature: As of October 21,2020, Goldman Sachs and GS Group may have been deemed to beneficially own indirectly 43,481,933 shares of Common Stock by reason of direct beneficial ownership of such shares by StoneBridge 2017, L.P., StoneBridge 2017 Offshore, L.P., VWR Partners, L.P., StoneBridge 2018, L.P. and StoneBridge 2018 Offshore, L.P. (together the "GS Funds") and Broad Street Principal Investments, L.L.C. ("BSPI"). Bridge Street Opportunity Advisors, L.L.C. ("Bridge Street") is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds. Bridge Street is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds.

F5 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-21-018643 · doc4.xml · derivative · entry 31

Connolly Thomas · CIK 0001776597 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 726

Underlying: Common Stock · 1,914.885 shares

Expires not disclosed

F1 · security: These transactions in the common stock (the "Common Stock") of Avantor, Inc. (the "Issuer") have not previously been reported by the Reporting Person on Form 4.

F2 · security: These transactions were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business. Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) has been remitted to the Issuer.

F3 · security: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). Effective May 7, 2020, the Reporting Person ceased to be a member of the Issuer's board of directors.

F6 · derivative.exercise_date: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F6 · derivative.expiration_date: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F6 · derivative.underlying_shares: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F4 · ownership.nature: As of October 21,2020, Goldman Sachs and GS Group may have been deemed to beneficially own indirectly 43,481,933 shares of Common Stock by reason of direct beneficial ownership of such shares by StoneBridge 2017, L.P., StoneBridge 2017 Offshore, L.P., VWR Partners, L.P., StoneBridge 2018, L.P. and StoneBridge 2018 Offshore, L.P. (together the "GS Funds") and Broad Street Principal Investments, L.L.C. ("BSPI"). Bridge Street Opportunity Advisors, L.L.C. ("Bridge Street") is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds. Bridge Street is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds.

F5 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001209191-20-058160 · doc4a.xml · derivative · entry 32

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

VWR Partners, L.P. · CIK 0001708241 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

StoneBridge 2018, L.P. · CIK 0001729502 · 10% owner

StoneBridge 2018 Offshore, L.P. · CIK 0001729503 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 96

Underlying: Common Stock · 1,914.885 shares

Expires not disclosed

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F8 · derivative.exercise_date: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F8 · derivative.expiration_date: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F8 · derivative.underlying_shares: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F6 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F7 · ownership.nature: The Reporting Persons are currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058160 · doc4a.xml · derivative · entry 31

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

VWR Partners, L.P. · CIK 0001708241 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

StoneBridge 2018, L.P. · CIK 0001729502 · 10% owner

StoneBridge 2018 Offshore, L.P. · CIK 0001729503 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 726

Underlying: Common Stock · 1,914.885 shares

Expires not disclosed

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F8 · derivative.exercise_date: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F8 · derivative.expiration_date: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F8 · derivative.underlying_shares: The Series A Mandatory Convertible Preferred Stock (the "Preferred Stock") is convertible into shares of the Issuer's Common Stock. At any time prior to May 15, 2022, holders of the Preferred Stock may elect to convert each share of the Preferred Stock into shares of Common Stock at the minimum conversion rate of 3.0395 shares of Common Stock per share of Preferred Stock.

F6 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F7 · ownership.nature: The Reporting Persons are currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058160 · doc4a.xml · nonDerivative · entry 6

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

VWR Partners, L.P. · CIK 0001708241 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

StoneBridge 2018, L.P. · CIK 0001729502 · 10% owner

StoneBridge 2018 Offshore, L.P. · CIK 0001729503 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,881,461

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F3 · security: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs, Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore"), VWR Partners, L.P. ("VWR"), StoneBridge 2018, L.P. ("StoneBridge 2018"), StoneBridge 2018 Offshore, L.P. ("StoneBridge 2018 Offshore" and, together with StoneBridge 2017, StoneBridge 2017 Offshore, VWR and StoneBridge 2018, the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C. ("Bridge Street"). GS Group, Goldman Sachs, BSPI, the GS Funds and Bridge Street are defined collectively as the "Reporting Persons".

F4 · balance_after: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F4 · ownership.nature: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F6 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F7 · ownership.nature: The Reporting Persons are currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058160 · doc4a.xml · nonDerivative · entry 5

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

VWR Partners, L.P. · CIK 0001708241 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

StoneBridge 2018, L.P. · CIK 0001729502 · 10% owner

StoneBridge 2018 Offshore, L.P. · CIK 0001729503 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,874,663

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F3 · security: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs, Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore"), VWR Partners, L.P. ("VWR"), StoneBridge 2018, L.P. ("StoneBridge 2018"), StoneBridge 2018 Offshore, L.P. ("StoneBridge 2018 Offshore" and, together with StoneBridge 2017, StoneBridge 2017 Offshore, VWR and StoneBridge 2018, the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C. ("Bridge Street"). GS Group, Goldman Sachs, BSPI, the GS Funds and Bridge Street are defined collectively as the "Reporting Persons".

F4 · balance_after: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F4 · ownership.nature: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F6 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F7 · ownership.nature: The Reporting Persons are currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058162 · doc4a.xml · nonDerivative · entry 4

Natauri Jo · CIK 0001776123 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,881,101

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc. (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F3 · balance_after: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: The Reporting Person is currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058162 · doc4a.xml · nonDerivative · entry 3

Natauri Jo · CIK 0001776123 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,880,801

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc. (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F3 · balance_after: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: The Reporting Person is currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058160 · doc4a.xml · nonDerivative · entry 4

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

VWR Partners, L.P. · CIK 0001708241 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

StoneBridge 2018, L.P. · CIK 0001729502 · 10% owner

StoneBridge 2018 Offshore, L.P. · CIK 0001729503 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,881,101

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F3 · security: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs, Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore"), VWR Partners, L.P. ("VWR"), StoneBridge 2018, L.P. ("StoneBridge 2018"), StoneBridge 2018 Offshore, L.P. ("StoneBridge 2018 Offshore" and, together with StoneBridge 2017, StoneBridge 2017 Offshore, VWR and StoneBridge 2018, the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C. ("Bridge Street"). GS Group, Goldman Sachs, BSPI, the GS Funds and Bridge Street are defined collectively as the "Reporting Persons".

F4 · balance_after: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F4 · ownership.nature: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F6 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F7 · ownership.nature: The Reporting Persons are currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058160 · doc4a.xml · nonDerivative · entry 3

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

VWR Partners, L.P. · CIK 0001708241 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

StoneBridge 2018, L.P. · CIK 0001729502 · 10% owner

StoneBridge 2018 Offshore, L.P. · CIK 0001729503 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,880,801

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F3 · security: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs, Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore"), VWR Partners, L.P. ("VWR"), StoneBridge 2018, L.P. ("StoneBridge 2018"), StoneBridge 2018 Offshore, L.P. ("StoneBridge 2018 Offshore" and, together with StoneBridge 2017, StoneBridge 2017 Offshore, VWR and StoneBridge 2018, the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C. ("Bridge Street"). GS Group, Goldman Sachs, BSPI, the GS Funds and Bridge Street are defined collectively as the "Reporting Persons".

F4 · balance_after: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F4 · ownership.nature: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F6 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F7 · ownership.nature: The Reporting Persons are currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058162 · doc4a.xml · nonDerivative · entry 2

Natauri Jo · CIK 0001776123 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,880,977

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc. (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F3 · balance_after: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: The Reporting Person is currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058162 · doc4a.xml · nonDerivative · entry 1

Natauri Jo · CIK 0001776123 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,883,032

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc. (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F3 · balance_after: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a direct subsidiary of The Goldman Sachs Group, Inc. ("GS Group"). The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: The Reporting Person is currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058160 · doc4a.xml · nonDerivative · entry 2

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

VWR Partners, L.P. · CIK 0001708241 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

StoneBridge 2018, L.P. · CIK 0001729502 · 10% owner

StoneBridge 2018 Offshore, L.P. · CIK 0001729503 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,880,977

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F3 · security: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs, Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore"), VWR Partners, L.P. ("VWR"), StoneBridge 2018, L.P. ("StoneBridge 2018"), StoneBridge 2018 Offshore, L.P. ("StoneBridge 2018 Offshore" and, together with StoneBridge 2017, StoneBridge 2017 Offshore, VWR and StoneBridge 2018, the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C. ("Bridge Street"). GS Group, Goldman Sachs, BSPI, the GS Funds and Bridge Street are defined collectively as the "Reporting Persons".

F4 · balance_after: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F4 · ownership.nature: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F6 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F7 · ownership.nature: The Reporting Persons are currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001209191-20-058160 · doc4a.xml · nonDerivative · entry 1

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

VWR Partners, L.P. · CIK 0001708241 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

StoneBridge 2018, L.P. · CIK 0001729502 · 10% owner

StoneBridge 2018 Offshore, L.P. · CIK 0001729503 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,883,032

F1 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b), the amount of profit potentially recoverable by Avantor, Inc (the "Issuer") from the reported transactions has been remitted to the Issuer.

F2 · security: These transactions in the Issuer's common stock (the "Common Stock") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F3 · security: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs, Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore"), VWR Partners, L.P. ("VWR"), StoneBridge 2018, L.P. ("StoneBridge 2018"), StoneBridge 2018 Offshore, L.P. ("StoneBridge 2018 Offshore" and, together with StoneBridge 2017, StoneBridge 2017 Offshore, VWR and StoneBridge 2018, the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C. ("Bridge Street"). GS Group, Goldman Sachs, BSPI, the GS Funds and Bridge Street are defined collectively as the "Reporting Persons".

F4 · balance_after: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F4 · ownership.nature: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F5 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own indirectly shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds and BSPI. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group.

F6 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F7 · ownership.nature: The Reporting Persons are currently analyzing additional trading activity in the Issuer's equity securities and, if necessary, will file another Form 4 as promptly as reasonably practicable once that analysis is complete.

SEC source: 0001722482-20-000133 · wf-form4_159113464164117.xml · derivative · entry 6

Ohri Devashish · CIK 0001776125 · EVP, IMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,440

Underlying: Common Stock · 35,000 shares

Expires 2024-09-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: These options are fully vested.

SEC source: 0001722482-20-000133 · wf-form4_159113464164117.xml · derivative · entry 5

Ohri Devashish · CIK 0001776125 · EVP, IMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 185,160

Underlying: Common Stock · 30,000 shares

Expires 2025-03-24

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: These options are fully vested.

SEC source: 0001722482-20-000133 · wf-form4_159113464164117.xml · nonDerivative · entry 4

Ohri Devashish · CIK 0001776125 · EVP, IMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 151,671

F3 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $19.00 to $19.13, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001722482-20-000133 · wf-form4_159113464164117.xml · nonDerivative · entry 3

Ohri Devashish · CIK 0001776125 · EVP, IMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 186,671

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001722482-20-000133 · wf-form4_159113464164117.xml · nonDerivative · entry 2

Ohri Devashish · CIK 0001776125 · EVP, IMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 151,671

F1 · kind: The sale reported herein reflects the transfer of shares received upon the exercise of stock options. This transaction was permitted pursuant to a lock-up agreement entered into by the Reporting Person on May 20, 2020.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $18.50 to $18.63, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001722482-20-000133 · wf-form4_159113464164117.xml · nonDerivative · entry 1

Ohri Devashish · CIK 0001776125 · EVP, IMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 181,671

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000899243-20-014436 · doc4.xml · nonDerivative · entry 1

New Mountain Investments III, LLC · CIK 0001515175 · 10% owner

New Mountain Partners III LP · CIK 0001403510 · 10% owner

New Mountain Capital, L.L.C. · CIK 0001407718 · 10% owner

New Mountain Capital Group, L.P. · CIK 0001777024 · 10% owner

NM Holdings GP, L.L.C. · CIK 0001776766 · 10% owner

KLINSKY STEVEN B · CIK 0001018327 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 89,591,565

F1 · price: This amount represents the $16.25 sale price per share of the Common Stock of the Issuer, less the underwriting discount of $0.3453125 per share.

F2 · ownership.nature: These securities are directly held by New Mountain Partners III, L.P. The general partner of New Mountain Partners III, L.P. is New Mountain Investments III, L.L.C. and the manager of New Mountain Partners III, L.P. is New Mountain Capital, L.L.C. Steven B. Klinsky is the managing member of New Mountain Investments III, L.L.C. The managing member of New Mountain Capital, L.L.C. is New Mountain Capital Group, L.P. The general partner of New Mountain Capital Group, L.P. is NM Holdings GP, L.L.C. Steven B. Klinsky is the managing member of NM Holdings GP, L.L.C. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

SEC source: 0000769993-20-000245 · ownershipdoc05182020092135.xml · nonDerivative · entry 2

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

VWR Partners, L.P. · CIK 0001708241 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

StoneBridge 2018, L.P. · CIK 0001729502 · 10% owner

StoneBridge 2018 Offshore, L.P. · CIK 0001729503 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,881,710

F4 · shares: Pursuant to an underwriting agreement, dated May 20, 2020 (the "Underwriting Agreement"), and in connection with the registered public offering of shares of Common Stock pursuant to the final prospectus dated May 20, 2020, which offering was consummated on May 26, 2020 (the "Offering"), the GS Funds and BSPI (together, the "GS Entities") sold in aggregate 13,726,411 shares of Common Stock, consisting of (i) 6,039,005 shares of Common Stock sold by BSPI, (ii) 159,279 shares of Common Stock sold by StoneBridge 2017, (iii) 73,617 shares of Common Stock sold by StoneBridge 2017 Offshore, (iv) 6,762,434 shares of Common Stock sold by VWR, (v) 487,164 shares of Common Stock sold by StoneBridge 2018 and (vi) 204,912 shares of Common Stock sold by StoneBridge 2018 Offshore.

F5 · shares: Goldman Sachs was one of the underwriters in the Offering. In Table I above, the per share sale price of $15.9046875 set forth in the Underwriting Agreement has been rounded to the nearest whole cent.

F4 · price: Pursuant to an underwriting agreement, dated May 20, 2020 (the "Underwriting Agreement"), and in connection with the registered public offering of shares of Common Stock pursuant to the final prospectus dated May 20, 2020, which offering was consummated on May 26, 2020 (the "Offering"), the GS Funds and BSPI (together, the "GS Entities") sold in aggregate 13,726,411 shares of Common Stock, consisting of (i) 6,039,005 shares of Common Stock sold by BSPI, (ii) 159,279 shares of Common Stock sold by StoneBridge 2017, (iii) 73,617 shares of Common Stock sold by StoneBridge 2017 Offshore, (iv) 6,762,434 shares of Common Stock sold by VWR, (v) 487,164 shares of Common Stock sold by StoneBridge 2018 and (vi) 204,912 shares of Common Stock sold by StoneBridge 2018 Offshore.

F5 · price: Goldman Sachs was one of the underwriters in the Offering. In Table I above, the per share sale price of $15.9046875 set forth in the Underwriting Agreement has been rounded to the nearest whole cent.

F6 · balance_after: As of May 26, 2020, after giving effect to the sales made in connection with the Offering, (i) BSPI owns directly 25,904,090 shares of Common Stock, (ii) StoneBridge 2017 owns directly 683,221 shares of Common Stock, (iii) StoneBridge 2017 Offshore owns directly 315,779 shares of Common Stock, (iv) VWR owns directly 29,007,209 shares of Common Stock, (v) StoneBridge 2018 owns directly 2,089,674 shares of Common Stock and (vi) StoneBridge 2018 Offshore owns directly 878,965 shares of Common Stock.

F7 · balance_after: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own indirectly 32,974,848 shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F8 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own indirectly 58,878,938 shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Entities. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group. In addition, Goldman Sachs and GS Group may be deemed to beneficially own 2,772 shares of Common Stock from exempt transactions.

F1 · ownership.nature: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs & Co. LLC ("Goldman Sachs"), Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore"), VWR Partners, L.P. ("VWR"), StoneBridge 2018, L.P. ("StoneBridge 2018"), StoneBridge 2018 Offshore, L.P. ("StoneBridge 2018 Offshore" and, together with StoneBridge 2017, StoneBridge 2017 Offshore, VWR and StoneBridge 2018, the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C. ("Bridge Street"). GS Group, Goldman Sachs, BSPI, the GS Funds and Bridge Street are defined collectively as the "Reporting Persons".

F4 · ownership.nature: Pursuant to an underwriting agreement, dated May 20, 2020 (the "Underwriting Agreement"), and in connection with the registered public offering of shares of Common Stock pursuant to the final prospectus dated May 20, 2020, which offering was consummated on May 26, 2020 (the "Offering"), the GS Funds and BSPI (together, the "GS Entities") sold in aggregate 13,726,411 shares of Common Stock, consisting of (i) 6,039,005 shares of Common Stock sold by BSPI, (ii) 159,279 shares of Common Stock sold by StoneBridge 2017, (iii) 73,617 shares of Common Stock sold by StoneBridge 2017 Offshore, (iv) 6,762,434 shares of Common Stock sold by VWR, (v) 487,164 shares of Common Stock sold by StoneBridge 2018 and (vi) 204,912 shares of Common Stock sold by StoneBridge 2018 Offshore.

F5 · ownership.nature: Goldman Sachs was one of the underwriters in the Offering. In Table I above, the per share sale price of $15.9046875 set forth in the Underwriting Agreement has been rounded to the nearest whole cent.

F6 · ownership.nature: As of May 26, 2020, after giving effect to the sales made in connection with the Offering, (i) BSPI owns directly 25,904,090 shares of Common Stock, (ii) StoneBridge 2017 owns directly 683,221 shares of Common Stock, (iii) StoneBridge 2017 Offshore owns directly 315,779 shares of Common Stock, (iv) VWR owns directly 29,007,209 shares of Common Stock, (v) StoneBridge 2018 owns directly 2,089,674 shares of Common Stock and (vi) StoneBridge 2018 Offshore owns directly 878,965 shares of Common Stock.

F7 · ownership.nature: Bridge Street is the sole general partner of each of the GS Funds and may be deemed to beneficially own indirectly 32,974,848 shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Funds.

F8 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own indirectly 58,878,938 shares of Common Stock by reason of direct beneficial ownership of such shares by the GS Entities. Bridge Street, the sole general partner of each of the GS Funds, is an indirect wholly-owned subsidiary of GS Group. Goldman Sachs is the manager of BSPI and Bridge Street, and the investment manager of each of the GS Funds. Goldman Sachs is a direct subsidiary of GS Group. In addition, Goldman Sachs and GS Group may be deemed to beneficially own 2,772 shares of Common Stock from exempt transactions.

F9 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001722482-20-000128 · wf-form4_159061115917456.xml · nonDerivative · entry 1

Wondrasch Michael · CIK 0001776065 · EVP & CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,087

F1 · kind: The sale reported herein reflects the transfer of shares received upon the vesting of restricted stock units. This transaction was permitted pursuant to a lock-up agreement entered into by the Reporting Person on May 20, 2020.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $17.71 to $17.93, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth above.

SEC source: 0001722482-20-000126 · wf-form4_159017891888678.xml · nonDerivative · entry 1

Brophy Gerard · CIK 0001776107 · EVP, Biopharma Production

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 196,583

F1 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $17.10 to $17.60, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth above.

SEC source: 0001722482-20-000106 · wf-form4_158992822765181.xml · nonDerivative · entry 1

Bramwell James · CIK 0001776099 · EVP, Strategic Partners

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,788

F1 · kind: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001722482-20-000110 · wf-form4_158992840837623.xml · nonDerivative · entry 1

McAllister Eric · CIK 0001776120 · EVP, CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 197,899

F1 · kind: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001722482-20-000118 · wf-form4_158992880632422.xml · nonDerivative · entry 1

Couturier Christophe · CIK 0001684076 · EVP, Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 162,932

F1 · kind: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001722482-20-000124 · wf-form4_158992911347010.xml · nonDerivative · entry 1

Szlosek Thomas A · CIK 0001293167 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 266,134

F1 · kind: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001722482-20-000122 · wf-form4_158992901356872.xml · nonDerivative · entry 1

Wondrasch Michael · CIK 0001776065 · EVP & CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,044

F1 · kind: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001722482-20-000120 · wf-form4_158992891331047.xml · nonDerivative · entry 1

Brophy Gerard · CIK 0001776107 · EVP, Biopharma Production

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 222,078

F1 · kind: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001722482-20-000116 · wf-form4_158992870737001.xml · nonDerivative · entry 1

Vanderhaegen Frederic · CIK 0001776162 · EVP, Europe

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 237,431

F1 · kind: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001722482-20-000114 · wf-form4_158992861388534.xml · nonDerivative · entry 1

Miller Justin · CIK 0001776122 · EVP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,394

F1 · kind: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001722482-20-000112 · wf-form4_158992850118796.xml · nonDerivative · entry 1

Ohri Devashish · CIK 0001776125 · EVP, IMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 151,671

F1 · kind: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001722482-20-000108 · wf-form4_158992831563895.xml · nonDerivative · entry 1

Stubblefield Michael · CIK 0001776153 · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,266,935

F1 · kind: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001722482-20-000104 · wf-form4_158992813510184.xml · nonDerivative · entry 1

Eck Steven W · CIK 0001748813 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,483

F1 · kind: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001722482-20-000102 · wf-form4_158931608337663.xml · nonDerivative · entry 1

SUMME GREGORY L · CIK 0001143422 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,582

F1 · kind: Reflects a grant of restricted stock units that vests on May 8, 2021.

SEC source: 0001722482-20-000098 · wf-form4_158931564637865.xml · nonDerivative · entry 1

McAllister Eric · CIK 0001776120 · EVP, CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 207,054

F1 · kind: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001722482-20-000078 · wf-form4_158776162686571.xml · nonDerivative · entry 1

SEVERINO MICHAEL · CIK 0001609447 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,022

F1 · kind: Reflects a grant of restricted stock units that vests on April 23, 2021.

SEC source: 0001722482-20-000069 · wf-form4_158413150885578.xml · derivative · entry 2

Stubblefield Michael · CIK 0001776153 · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,090,970

Underlying: Common Stock · 200,000 shares

Expires 2024-05-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: These options are fully vested.

SEC source: 0001722482-20-000069 · wf-form4_158413150885578.xml · nonDerivative · entry 1

Stubblefield Michael · CIK 0001776153 · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,375,635

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001722482-20-000067 · wf-form4_158404473964523.xml · derivative · entry 3

GUPTA RAJIV · CIK 0001068731 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 717,645

Underlying: Common Stock · 143,000 shares

Expires 2020-11-03

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: These options are fully vested.

SEC source: 0001722482-20-000067 · wf-form4_158404473964523.xml · nonDerivative · entry 1

GUPTA RAJIV · CIK 0001068731 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 708,746

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001722482-20-000060 · wf-form4_158267090597687.xml · nonDerivative · entry 1

GUPTA RAJIV · CIK 0001068731 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 565,746

F1 · kind: Reflects a grant of restricted stock units that vests on February 21, 2021.

SEC source: 0001722482-20-000054 · wf-form4_158266998451758.xml · derivative · entry 2

Bramwell James · CIK 0001776099 · EVP, Strategic Partners

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,496

Underlying: Common Stock · 36,496 shares

Expires 2030-02-21

F2 · derivative.exercise_date: Reflects a grant of stock options that vest in four equal annual installments beginning on February 21, 2021.

SEC source: 0001722482-20-000054 · wf-form4_158266998451758.xml · nonDerivative · entry 1

Bramwell James · CIK 0001776099 · EVP, Strategic Partners

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,890

F1 · kind: Reflects a grant of restricted stock units that vest in four equal annual installments beginning on February 21, 2021.